---
layout: main
---

<div class="site-container">
  <div id="site-header"></div>
  {% if page.nightlyOf %}
  <aside class="warning">
    <div class='icon'></div>
    <div class='content'>
    This is a nightly documentation. The content of this page may not be
    consistent with the current stable version of language. Click
    <a href="{{ page.nightlyOf }}">here</a> to find the stable version of this
    page.
    </div>
  </aside>
  {% endif %} {{ content }}
  <div class="divider" />
  <nav class="arrow-navigation" aria-label="Page navigation">
    {% if page.previous %}
    <div>
      <span class="body-small">Previous</span>
      <a
        rel="prev"
        href="{{ page.previous.url }}"
        aria-keyshortcuts="Left"
        class="body-medium"
      >
        <span class="body-medium">{{ page.previous.title }}</span>
      </a>
    </div>
    {% endif %} {% if page.next %}
    <div>
      <span class="body-small arrow-navigation--next">Next</span>
      <a
        rel="next"
        href="{{ page.next.url }}"
        aria-keyshortcuts="Right"
        class="body-medium"
      >
        <span class="body-medium">{{ page.next.title }}</span>
      </a>
    </div>
    {% endif %}
  </nav>
  <div class="content-contributors hidden">
    <h1 class="h200">Contributors to this page</h1>
    <div id="documentation-contributors" class="contributors-container"></div>
    {% if urls.editSource %}
    <div class="github-edit-button">
      <a class="text-button with-link body-small" href="{{ urls.editSource }}">
        Edit this page on GitHub
      </a>
    </div>
    {% endif %}
  </div>
</div>
